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Kernel: Harvest randomness from various drivers

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Random now gets entropy from the following drivers:
- KeyboardDevice
- PATAChannel
- PS2MouseDevice
- E1000NetworkAdapter
- RTL8139NetworkAdapter

Of these devices,  PS2MouseDevice and PATAChannel provide the vast
majority of the entropy.
This commit is contained in:
Peter Elliott 2020-06-24 14:07:28 -06:00 • committed by Andreas Kling
parent 2e8cfe5435
commit af0b2d1d86
12 changed files with 71 additions and 7 deletions
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4
Kernel/Net/E1000NetworkAdapter.h
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@ -28,11 +28,12 @@
#include <AK/NonnullOwnPtrVector.h>
#include <AK/OwnPtr.h>
#include <Kernel/IO.h>
#include <Kernel/Interrupts/IRQHandler.h>
#include <Kernel/Net/NetworkAdapter.h>
#include <Kernel/PCI/Access.h>
#include <Kernel/PCI/Device.h>
#include <Kernel/IO.h>
#include <Kernel/Random.h>
namespace Kernel {
@ -103,6 +104,7 @@ private:
u8 m_interrupt_line { 0 };
bool m_has_eeprom { false };
bool m_use_mmio { false };
EntropySource m_entropy_source;
static const size_t number_of_rx_descriptors = 32;
static const size_t number_of_tx_descriptors = 8;